1cb93a386Sopenharmony_ci// Copyright 2019 Google LLC.
2cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h"
4cb93a386Sopenharmony_ci// HASH=818e4e1191e39d2a642902cbf253b399
5cb93a386Sopenharmony_ciREG_FIDDLE(ImageInfo_computeOffset, 256, 128, false, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci    uint8_t pixels[][12] = { { 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00},
8cb93a386Sopenharmony_ci                             { 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00},
9cb93a386Sopenharmony_ci                             { 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00},
10cb93a386Sopenharmony_ci                             { 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF},
11cb93a386Sopenharmony_ci                             { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
12cb93a386Sopenharmony_ci                             { 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00},
13cb93a386Sopenharmony_ci                             { 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00},
14cb93a386Sopenharmony_ci                             { 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00} };
15cb93a386Sopenharmony_ci    SkImageInfo imageInfo = SkImageInfo::MakeA8(8, 8);
16cb93a386Sopenharmony_ci    SkBitmap bitmap;
17cb93a386Sopenharmony_ci    bitmap.installPixels(imageInfo, (void*) pixels, sizeof(pixels[0]));
18cb93a386Sopenharmony_ci    SkPaint paint;
19cb93a386Sopenharmony_ci    paint.setColor(SK_ColorRED);
20cb93a386Sopenharmony_ci    canvas->drawImageRect(bitmap.asImage(), SkRect::MakeWH(8, 8), SkRect::MakeWH(32, 32),
21cb93a386Sopenharmony_ci                          SkSamplingOptions(), &paint, SkCanvas::kStrict_SrcRectConstraint);
22cb93a386Sopenharmony_ci    size_t offset = imageInfo.computeOffset(2, 3, sizeof(pixels[0]));
23cb93a386Sopenharmony_ci    pixels[0][offset] = 0x7F;
24cb93a386Sopenharmony_ci    offset = imageInfo.computeOffset(5, 3, sizeof(pixels[0]));
25cb93a386Sopenharmony_ci    pixels[0][offset] = 0x7F;
26cb93a386Sopenharmony_ci    bitmap.installPixels(imageInfo, (void*) pixels, sizeof(pixels[0]));
27cb93a386Sopenharmony_ci    canvas->drawImageRect(bitmap.asImage(), SkRect::MakeWH(8, 8), SkRect::MakeWH(128, 128),
28cb93a386Sopenharmony_ci                          SkSamplingOptions(), &paint, SkCanvas::kStrict_SrcRectConstraint);
29cb93a386Sopenharmony_ci}
30cb93a386Sopenharmony_ci}  // END FIDDLE
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